خيارات البحث
النتائج 141 - 150 من 198
[In situ experimentation as an evaluative criterion of pollution effects: a study of evolutionary mechanisms and repopulation of polluted sediments]
1987
Stora, G. (Centre d'Oceanologie de Marseille-Station Marine d'Endoume, Marseille (France)) | Arnoux, A. | Diana, C.
Evaluating the effects of pollution on natural marine ecosystems: some outstanding problems of biological surveillance techniques
1987
Abel, P.D. (Sunderland Polytechnic (UK). Biology Dept.)
Measures against acidification and air pollution - a Swedish view over a 20-year period
1987
Thunberg, B. (Statens Naturvaardsverk, Solna (Sweden))
Air pollution - distribution, effects, and countermeasures. State of the art
1987
Ferm, M. (Institutet foer Vatten- och Luftvaardsforskning, Goeteborg (Sweden))
Natural gas applications for air pollution control
1987
Hay, Nelson E.
Environmental pollution and health hazards in India
1987
Kumar, R. (Ram)
Contributed papers.
اظهر المزيد [+] اقل [-]Plastic pollution in the marine environment
1987
Air pollution control technology | Technikas ochrany ovzduší. English
1987
Bretschneider, Boris | Kurfürst, Jiří
Ribulose-1,5-bisphosphate carboxylase and glutamine synthetase activity levels in mature Norway spruce (Picea abies) as depending on needle age and air pollution induced impairment of the trees
1987
Weidner, M. (Koeln Univ. (Germany, F.R.). Botanisches Inst.) | Engel, B. | Kraus, M.
[Measurements of air pollution at the forest measurement stations of North Rhine-Westphalia]
1987
Pfeffer, H.U. (Landesanstalt fuer Immissionsschutz des Landes Nordrhein-Westfalen (LIS), Essen (Germany, F.R.))